/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMTemplate.h
Returns an argument given a name (or nullptr)
const [FRigVMTemplateArgument](API\Plugins\RigVM\RigVMCore\FRigVMTemplateArgument) * FindArgument ( const [FName](API\Runtime\Core\UObject\FName) & InArgumentName ) const